摘要
研究了拟常曲率黎曼流形中的2-调和子流形,给出了2-调和子流形成为极小的2个充分条件。
In this paper,the geometry of the 2- harmonic submanifold in quasi-constant curvature Riemann manifold is studied, and we obtain two sufficient condictions under which a 2 - harmonic submanifold turns into a minimal one.
出处
《丽水学院学报》
2009年第2期14-17,共4页
Journal of Lishui University
关键词
拟常曲率
2-调和映射
平均曲率向量
quasi-constant curvature
2-harmonic
mean curvature vector